Uninstall or Remove MySQL from Ubuntu

uninstall-or-remove-mysql-from-ubuntu.sh

# Make sure MySQL is not running
sudo systemctl stop mysql

# Then purge all of the MySQL packages
sudo apt purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*

# Then delete all of the MySQL files 
sudo rm -rf /etc/mysql /var/lib/mysql /var/log/mysql

# Finally clean all packages that are not needed:
# List item
sudo apt autoremove
sudo apt autoclean

# Remove history if needed
rm ~/.mysql_history